Climate Insights for Zastron

Xhariep District Municipality, Free State, South Africa

Hottest
Dezember
28°C peak
Coldest
Juli
-1°C low
Wettest
Januar
167mm rain
Best to Visit
Oktober, November
Mild temps & low rain

Climate Overview

The climate in Zastron is temperate. The average annual temperature is 15°C and approximately 938mm of precipitation falls per year. Januar is the wettest month, receiving around 167mm of rainfall. Zastron is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: Dezember, Januar, November. The coldest months are Juli, Juni, August, when temperatures can drop to -1°C.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 28° Average: 21° Min: 14° Feb Max: 27° Average: 20° Min: 13° Mar Max: 25° Average: 18° Min: 11° Apr Max: 21° Average: 14° Min: 7° May Max: 20° Average: 11° Min: 3° Jun Max: 16° Average: 7° Min: 0° Jul Max: 16° Average: 7° Min: -1° Aug Max: 19° Average: 10° Min: 1° Sep Max: 23° Average: 14° Min: 5° Oct Max: 25° Average: 17° Min: 8° Nov Max: 27° Average: 19° Min: 10° Dec Max: 28° Average: 21° Min: 13°
Max
Average
Min

Temperatures in Zastron vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is Dezember, when average highs reach 28°C and the mean temperature sits around 21°C. The coldest month is Juli, when overnight lows fall to -1°C and the daily average is 7°C. The average daily temperature swing is 16°C, meaning significant differences between daytime and nighttime temperatures. The sharpest temperature change occurs between August and September, with a 5°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 167mm Snow: 0mm Feb Precipitation: 147mm Snow: 0mm Mar Precipitation: 121mm Snow: 0mm Apr Precipitation: 109mm Snow: 0mm May Precipitation: 30mm Snow: 0mm Jun Precipitation: 14mm Snow: 1mm Jul Precipitation: 17mm Snow: 1mm Aug Precipitation: 13mm Snow: 0mm Sep Precipitation: 27mm Snow: 0mm Oct Precipitation: 57mm Snow: 0mm Nov Precipitation: 95mm Snow: 0mm Dec Precipitation: 140mm Snow: 0mm
Precipitation
Snow

Zastron is a moderately rainy area, receiving approximately 938mm of precipitation annually, which averages out to around 78mm per month. The wettest month is January, averaging 167mm of rainfall. February and December also tend to see above-average precipitation. The driest month is August, with just 13mm. That's 154mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 16km/h Feb Wind Speed: 15km/h Mar Wind Speed: 15km/h Apr Wind Speed: 14km/h May Wind Speed: 13km/h Jun Wind Speed: 15km/h Jul Wind Speed: 16km/h Aug Wind Speed: 18km/h Sep Wind Speed: 20km/h Oct Wind Speed: 19km/h Nov Wind Speed: 20km/h Dec Wind Speed: 19km/h
Wind Speed

Zastron is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 20km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

2 days until Autumn

It is currently winter in Zastron, which began on June 21, 2026. Zastron is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in Dezember at around 28°C, while the coldest stretch bottoms out in Juli near -1°C. Autumn is next, beginning on March 20, 2026 — 2 days from now.

Spring

Temperatures range from 5 to 27°C. Precipitation is moderate at around 179mm for the season, averaging 60mm per month. Winds are moderate at around 20km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 13 to 28°C. Rainfall is heavy, totalling around 454mm across the season with a monthly average of 151mm. Winds are moderate at around 17km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 3 to 25°C. Precipitation is moderate at around 261mm for the season, averaging 87mm per month. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -1 to 19°C. Precipitation is minimal, with only around 44mm for the entire season. Winds are moderate at around 16km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 21°
Feb 20°
Mar 18°
Apr 14°
May 11°
Jun
Jul
Aug 10°
Sep 14°
Oct 17°
Nov 19°
Dec 21°

The best time to visit Zastron is during Oktober and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 76mm per month. By contrast, Dezember can be uncomfortably hot with highs reaching 28°C, while Juli is the coldest period with lows dropping to -1°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Zastron based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
14 °C
28 °C
16 km/h
167 mm
0 cm
Feb
13 °C
27 °C
15 km/h
147 mm
0 cm
Mar Current
11 °C
25 °C
15 km/h
121 mm
0 cm
Apr
7 °C
21 °C
14 km/h
109 mm
0 cm
May
3 °C
20 °C
13 km/h
30 mm
0 cm
Jun
0 °C
16 °C
15 km/h
14 mm
1 cm
Jul
-1 °C
16 °C
16 km/h
17 mm
1 cm
Aug
1 °C
19 °C
18 km/h
13 mm
0 cm
Sep
5 °C
23 °C
20 km/h
27 mm
0 cm
Oct
8 °C
25 °C
19 km/h
57 mm
0 cm
Nov
10 °C
27 °C
20 km/h
95 mm
0 cm
Dec
13 °C
28 °C
19 km/h
140 mm
0 cm
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Metric (°C, km/h)